johnson



(No Model.) 2 Sheets-Sheet 1. I. JOHNSON 85' A. PYRBERG.

REVOLVER.

No. 362,632. Patented May 10,1887.

12F/film,

WJD-.2.55255 Ogm 2 Sheets-Sheet 2. I. JOHNSON 8v A. FYRBBRG.

BJSVOLVER.-v No. 362,632. Patented May 10, 1887.

(No Model.)

NITED STATES PATENT Trice..

MASS AOHUSETTS;

SAID FYRBERG ASSTGNOR TO SAlD JOHNSON.

REVOLVER.

SPECIFICATION forming part of Letters Patent No. 362.632, dated May 10,1887. Application filed January 24, 1887. Serial No. 225,276. (Nomodel.)

To LZZ whom it may concern.-

Beit known that we, Ivan JOHNSON and ANDREW FYRBERG, both of Worcester,in the county of Voroester and State of Massachusetts, have inventedcertain new and useful Improvements in Fire-Arms; and We do herebydeclare that the following is a full, clear, and exact description ofthe same, reference being had to the accompanying drawings, form- Io inga part of this speciiication, and in which- Figurel representsa sideview of a revolver embodying our improvements, portions thereof beingbroken away to uncover and show said improvements more fully. Fig.,2 isa similar View of the revolver with the barrel unlocked and swung downand the trigger partially pulled back to more clearly illustrate theoperation of the parts to which our improvements relate. Figs. 3 to 7,inclusive,

2o are different views in detail of our aforesaid improvements,hereinafter morel fully described; and Fig. 8 represents a modificationin the method of supporting and operating the firing-pin, which willalso be hereinafter described.

Our invention relates to breech-loading tirearms having a revolvingcartridge-cylinder, cartridge-extracting mechanism, and a concealedhammer, and more especially to the eX- tractor-disk and ring-pinthereof'. It consists in improvements in the construction of saidextractor-disk and firing-pin, and the combination of the latter withthe hammer of the fire-arm, as hereinafter more fully set forth.

To enable others skilled in the art to which our invention appertains toobtain a full and clear understanding thereof, we will now proceed todescribe it more in detail.

In the drawings, the parts marked A rep- 4o resent the frame of therevolver, which comprises the handle A', the receiver A2, the breech orbridge A3, and the fore-hand A. The barrel B is provided with the usualtop strap, B', extending back over the cylinder C,

4.5 and whereby the barrel is locked to the breech, as ordinarily, bymeans not shown in this instance. Said barrel B is pivoted upon the boltD to the frame A, and may be swung down thereon, as shown 5o locked fromthe breech.

in Fig. 2, when un- The cartridge-cylinderO is arranged to turn upon thesleeve a, as usual, and within said sleeve c (which is slottedlongitudinally upon its under side to receive the extractor-finger) isarranged the usual extractor rod or spindle, 5 5 b, and its spring c.

Our improvement upon the extractor-disk E consists in arranging within arecess, d, formed part way through one side of the disk,

a plate, e, tted to slide back and forth there- 6o in and provided Withthe projection or shoul derf, extending beyond the periphery of thedisk, except when sprung back, as hereinafter described. Said recess ciis made in the disk at about right angles to the finger g thereof, andextends radially to either side of the pivotbolt D, upon the upperforward'side, to within a short distance ot' the edge ot' the disk, and

at its opposite end through to said edge, to allow the projection j' ofthe platee to be forced 7o out and in beyond and within the outer circleor periphery ofthe disk, as hereinafter explained.

The disk E has a rotary movement only on the pivot-bolt D, said boltfitting in the central opening, Il., (shown best in Fig. 3,) whereas theplate e not only turns with the disk, but also has a lateral motion inits slot or recess d, the opening 'i therein, through which thepivot-bolt passes, being oblong in shape, as shown 8O in the drawings,to admit of said movement.

A constant pressure is imparted to plate c to force its projection fbeyond the disk, as indicated by 4full linesin Figs. land 2, by means ofa spring, j, interposed between the inner 8 5 end of said plate and thebottom d' of the recess.

When the plate is forced out, (which is its normal position,) itsprojection f acts as a shoulder, which, when itcomesin contact with gothe forward end,'7t, of the forehand, prevents thedisk from turning,being held rigid against said end k.

The operation of the extractor-disk in foreu ing forward theextractor-rod b to extract the 9 5 empty cartridgesshells is the saineas in other similar firearms, and may be briefly summed up as follows:Assuming that the various parts are in their normal positions afterfiring the arm preparatory to extracting the cartridgen 10o shells, thebarrel is now unlocked from the frame, as usual, and swung or broken77down from the position shown in Fig. 1 to that shown in Fig. 2, therebybringing the inner end of the extractor-rod against the end of theextractor-finger, which, being held rigid, as aforesaid, causes said rodto be forced forward and out of the cylinder, as shown in Fig.

l2, and in consequence, by means of the spider b', extracting the emptycartridge-shells.

In said operation of swinging down the barrel when the part Z thereof,which acts as a cam, comes in contact with the front beveled end ofprojection f the plate e is forced back, so that said projection comesbeyond and is disconnected from the holding-shoulder 7c of thefore-hand, thus releasing the disk E, which is at once sprung forward bythe spring C through the spindle b into the position shown by dottedlines in Fig. 2, and the rod and its spider made to assume their normalpositions. The cylinder is now recharged with new cartridges, when thebarrel is swung up and relocked in its original normal position. In thelatter operation, when the part l comes in contact with the front sideof the extractor-finger, the disk `E is turned back into its originalposition, so

as to allow the projection f on disk @to be v sprung out in front ofshoulder 7c preparatory to repeating the foregoing cartridge-extractingoperation.

Our improvement with reference to the fir- Y ing-pin F is as follows:Said pin is formed upon or secured to an irregular-shaped base part, m,which is hinged by means of a pin, a, to the upper. front side of thehammer Gr. Said part m is made with a downwardly-projecting centralflange, m', which fits in a central vertical slot, o, formed in theupper part of the hammer, and through the rear end of which ange thepivot-pin a passes, as shown in Fig. `5.

A constant upward pressure is imparted to the `forward end ofthe part mm by means of a suitable spring, p, interposed between the bottomthereof and the bottom of the slot in the hammer, as is also shown inFig. 5, and to control the upward movement of said part, as well as toobtain a bearing of the front side of the hammer against the rear end ofthe same, a shoulder, q, is formed upon the top of said hammer. rIhebottom of the part m is made to conform somewhat in shape to that of thetop of the hammer in front of the aforesaid shoulder in this instance;but said form is not essential.

By the foregoing construction and arrangement of the tiring-pin and itssupporting part itv will be seen that in raising the hammer in the usualway the pin is drawn back from the position shown in Fig. 1 to thatshown in Fig. 2, and immediately upon the head of the lifting-lever orraiser o' passing out of the holding-notch s of the hammer and saidhammer being sprung forward by its usual spring, t, said pin is at thesame time forced forward with a quick sharp stroke to impinge thecartridge and discharge the arm in the usual way.

In the drawings we have represented the revolver as being provided withwhat is commonly known as a rebounding hammer,77 which, after causingthe ring-pin to strike the cartridge, is made to rebound or spring backinto the half-cocked position shown in Fig. 1. In Fig. 2 the hammer andfiring-pin are shown in the positions that they occupy just prior tosaid hammer being released by the raiser 'i' and sprung forward by themainspring t in the usual way.

As the hammer is elevated and forced back byV pulling upon the triggeru, the top of the higned part m bears upon and is drawn along the undersurface, o, of the frame, thereby causing the forward end of said part mto be forced down toward the hammer, as shown in Fig. 2, and thus admitof said backward movement. By said construction we are enabled to dropdown and impart a more graceful outline to the part w of the frame thancan otherwise be obtained in a firearm having a concealed hammer, thehinged part' m adapting itself to the curved shrface o as it is drawnback, thus admitting of considerable economy in space.

The main purpose of this part of our invention is to cover the principleof hinging a striking part, m, to the top of thehammer, and is designedmore especially to effect an improvement in the method of hinging saidpart to the frame of the revolver as covered in the United States PatentNo. 339,300, granted `to Iver Johnson, April 6, 1886, for improvement inrevolvers. If desired, said part, without the firing-pin F, may be usedas simply a striker to impinge and drive an ordinary spring ring-pinarranged in the frame against the cartridge without departing from theprinci ple of our invention.

It will be understood that we do not limit ourselves to the special wayhereinbefore described of hinging said part m to the top of the hammer.If preferred, the same may be hinged to one side or the other of thehammer,

`instead of in the central slot hereinbefore described, or in any othersuitable and convenient manner.

An instance of hinging upon the side of the hammer is shown as anillustration thereof in the modification, Fig. 8, one side of the hammerbeing recessed sufficient to bring the outer face of an ear, m2, formedonone side of the part m,(through which the pivot-pin a passes,) flushwith the outer side of the hammer, and instead of a spiral spring beingarranged in a slot, as previously described, a flat spring, p', is inthis instance shown as being fastened at its inner end to the top of thehammer and bearing at its outer end against the under sur face of thefiring-pin support m.

Ve are aware of the Patent No. 15,925, granted to A. Le Mat, October 21,1856, -for improvement in revolvers, and disclaim the features thereinshown and described with reference to the hammer and ring-pin thereof.

Having described our invention, what we ICC IIO

claim therein as new, Letters Patent, is

1. The main pivot D, shoulder 7c on the fore-hand A", and the extractorrod or spindle b of a fire-arm, in combination with an eX- tractor-diskE, having the linger or projection g adapted to bear against thc'innerend of said extractor rod or spindle b, and a recess, d, formed part Waythrough one side of the disk to eitherside ofthe pivot-opening therein,said recess extending to within a short distance of the periphery of thedisk upon one side and at the opposite side through to said periphery,said disk also being provided with a plate, e, having a projection, f,and an oblong slot, z', titted in said recess d, and a spring, j,interposed between the inner end of said plate and the bottom d of therecess, substantially as and for the purpose set forth.

2. In a breech-loading fire-arm, the combination, with the main part orbody of the extractor-disk D, having the linger or projection g, anda'recess, d, formed in one side thereof, which extends from a shortdistance inside of the periphery of the disk at one side and through tothe periphery at the opposite side, of the plate e, having a projection,f, and oblong slot i, tted in said recess d, and a spring, j, interposedbetween the inner end of said and desire to secure by plate and thebottom d of the recess, substantially as and for the purpose set forth.

3. In a fire-arm having a concealed hammer, the combination of saidhammer and means for operating the same, with the striking part m,hinged to the Lipper end of said hammer, and provided with a iiring-pinupon the front side thereof, also being provided with a spring forforcing up its forward end and adapted to be depressed or forced downwhen the hammer is raised by its bearing on the under sur face oftheframe, substantially as shown and specified.

4. In a fire-arm having a concealed hammer, the combination of saidhammer and means for operating the same, with a striking part, m, hingedto the upper end of the hammer, and provided with a spring for forcingup the forward end thereof when the hammer moves forward, also beingadapted to be forced down at said forward end when the hammer is pulledback or raised by bearing upon the under surface of the top of theframe, substan' tially as shown and specified.

IVER JOHNSON. ANDREW FYRBERG. Witnesses:

ALBERT A. BARKER, WVALTER B. NoUnsE.

